* {
    margin: 0;
    padding: 0;
}

h4 {
    font-size: 14px;
    height: 20px;
    /* position: absolute; */
    /* left: 350px;
    top: 10px; */
    margin-top: 20px;
    margin-left: 270px;
}

body {
    background-color: rgb(233, 233, 233);

}

#diYi {
    background-color: white;
    width: 1000px;
    height: 185px;
    /* border: 1px solid black; */
    border-radius: 8px;
    margin: 0 auto;
    margin-top: 15px;
}

#diEr {
    background-color: white;
    width: 1000px;
    height: 470px;
    border-radius: 8px;
    /* border: 1px solid black; */
    margin: 0 auto;
    margin-top: 15px;
}

.input-group {
    float: left;

}

input {
    margin-left: 90px;
    margin-top: 10px;

}

p {
    width: 80px;
    position: absolute;
    /* top: 90px; */
    margin-top: 18px;
    margin-left: 10px;
}

/* .pnr2 {
    top: 155px;
} */

#cx {
    width: 100px;
    margin-top: 130px;
    margin-left: -855px;
}

#cz {
    width: 100px;
    margin-top: 130px;
    margin-left: 10px;
}

#bg {
    width: 960px;
    /* border: 1px solid black; */
    margin: 0 auto;
    top: 20px;
    position: relative;

}

#nav1 {
    position: absolute;
    margin-top: -75px;
    margin-left: 690px;
    height: 50px;
}